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随着货物列车运行速度的提高,作用在车辆和线路上的动作用力也随之增大。动作用力的增大引起车辆对线路更大的影响、车辆走行部更剧烈的磨耗、破坏线路以及提高日常维修的费用。在现代条件下加逮货物周转,提高铁路的通过能力并使货物列车以90～100公里/时的速度运行,做到这些是不容易的,同时在维修车辆和完善线路的技术状态方面费用很大。因此,必须对车辆和线路提出更高的要求,特别是对货车结构提出更高的要求,以便降低动力水平。带减振器的弹簧悬挂装置是能降低车辆动力水平的
As cargo trains speed up, the action on vehicles and routes also increases. The increased force exerts greater influence on the line by the vehicle, the more severe wear on the running gear of the vehicle, the destruction of the line, and the cost of routine maintenance. In modern conditions, it is not easy to increase the turnover of goods, increase the capacity of the railway and make the freight trains run at a speed of 90-100 km / h, and it is not easy to do these. At the same time, the cost is very high in terms of repairing the vehicle and improving the technical status of the line Big. Therefore, higher requirements must be put on the vehicles and the lines, especially the higher requirements for the truck structure in order to reduce the power level. Spring suspension with damper reduces vehicle power